Door frame mounted exercise bar



FIG. 1 is a front elevational view of a door frame mounted exercise bar showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side elevational view, the left side elevational view being the mirror image thereof;

FIG. 4 is a rear elevational view thereof; and,

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a door frame mounted exercise bar, as shown and described. 